GPT-5.1-Codex-Mini
OpenAI
41.6#239 of 427 overall
- Input / output
- US$ 0,25 / US$ 2,00 US$ per 1M tokens
- Context
- 400K tokens
- Release
- 11/13/2025 release date
- Weights
- Closed
- Speed
- 0 tok/s first token in 0.00 s
Scores by source
Scores by sourcepercentile = % of ranked models it beats| Metric | Value | Percentile | Source |
|---|---|---|---|
| Arena WebDev (Elo) weight 1 | 1244 | 9% | LMArena |
| Humanity's Last Exam weight 1 | 18.5 | 66% | Artificial Analysis |
| GPQA Diamond | 81.3 | 70% | Artificial Analysis |
| Long-context reasoning | 66.7 | 57% | Artificial Analysis |
By category
| Category | Score | Rank | Metrics |
|---|---|---|---|
| Coding | 29.3 | #109 | Arena WebDev (Elo) |
| Reasoning | 62.2 | #131 | Humanity's Last Exam, GPQA Diamond |
| Research | 53.5 | #149 | Long-context reasoning |
| Design | 29.3 | #108 | Arena WebDev (Elo) |
History
RankingIA score on each collection day (hover to see the rank).
Daily collection started on 10/30/2026. The chart appears from the second day the model is ranked.